logic: Start automatic update checks on second day of use

* Added status messages for update check

src/lib/Application.cpp

@@ -415,6 +415,14 @@ void Application::loadWindow(bool showStartWindow)
 	if (!m_loadedWindow)
 	{
 		ApplicationSettings* appSettings = ApplicationSettings::getInstance().get();
+
+		// delay first update check by 24 hours at first launch
+		if (!appSettings->getLastUpdateCheck().isValid())
+		{
+			appSettings->setLastUpdateCheck(TimeStamp::now());
+			appSettings->save();
+		}
+
 		LicenseChecker::LicenseState state = LicenseChecker::LicenseState::VALID;
 		std::string licenseError;
 

src/lib/settings/ApplicationSettings.cpp

@@ -546,13 +546,7 @@ void ApplicationSettings::setAutomaticUpdateCheck(bool automaticUpdates)
 
 TimeStamp ApplicationSettings::getLastUpdateCheck() const
 {
-	std::string val = getValue<std::string>("user/update_check/time_stamp", "");
-	if (!val.size())
-	{
-		val = getValue<std::string>("user/update_check/last", ""); // deprecated key
-	}
-
-	return TimeStamp(val);
+	return TimeStamp(getValue<std::string>("user/update_check/time_stamp", ""));
 }
 
 void ApplicationSettings::setLastUpdateCheck(const TimeStamp& time)